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Dyno Result 06 LS2 A6

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Old Jul 26, 2010 | 05:16 AM
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Default Dyno Result 06 LS2 A6

I had my car tuned the other day and was kinda suprised at the numbers....not in a good way. I have an 06 LS2 with an A6. Mods are LG Longtube street pro's, 160 stat, Vararam and 3:42's. I ended up with 339RWHP and 342TQ. Temps were 93 degrees and 36% humidity. A/F was right at 13. Dyno run was on a Dynojet.

Does anybody have a similar set up? What are your numbers? Just curious if I'm in the ball park.

How much HP loss on an A6 compared to an MN6?

Thanks!
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Old Jul 26, 2010 | 05:58 AM
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My car is scheduled to go into Livernois Motorsports on Aug. 09 for heads, cam and an Edelbrock E-force blower. I don't think they will baseline the car before tearing the engine apart, but they told me that a stock A6 with an LS2 produced around 330 RWHP. Are the dyno numbers you posted from after the tune? Either way, I agree they're disappointing especially since you have long tubes. Did the tuner indicate if the low gear you're running affects the HP readings? What do you think of the 3:42 rear end?
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Old Jul 26, 2010 | 06:34 AM
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Originally Posted by takeman
I had my car tuned the other day and was kinda suprised at the numbers....not in a good way. I have an 06 LS2 with an A6. Mods are LG Longtube street pro's, 160 stat, Vararam and 3:42's. I ended up with 339RWHP and 342TQ. Temps were 93 degrees and 36% humidity. A/F was right at 13. Dyno run was on a Dynojet.

Does anybody have a similar set up? What are your numbers? Just curious if I'm in the ball park.

How much HP loss on an A6 compared to an MN6?

Thanks!
Has it gotten a tune?
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Old Jul 26, 2010 | 08:22 AM
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The numbers I posted are from after the tune.

Mike- They still have my car as they can not get the speedo right after the tune So, I can tell you just yet.........
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Old Jul 26, 2010 | 09:19 AM
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Originally Posted by takeman
I had my car tuned the other day and was kinda suprised at the numbers....not in a good way. I have an 06 LS2 with an A6. Mods are LG Longtube street pro's, 160 stat, Vararam and 3:42's. I ended up with 339RWHP and 342TQ. Temps were 93 degrees and 36% humidity. A/F was right at 13. Dyno run was on a Dynojet.

Does anybody have a similar set up? What are your numbers? Just curious if I'm in the ball park.

How much HP loss on an A6 compared to an MN6?

Thanks!
YES----I have a 07 like yours---Kooks headers--Halltech,air intake---160 stat--2:56 gear---that produced---on a dynojet---350 RWHP---stock--before the mods it was--318 RWHP---installed a mild cam---kept everything else the same----now 400 RWHP-----GOOD QUESTION on the A6 vs MN6 comparo-----I see allot of HIGH RWHP results on this forum, my opinion , none of that matters, it's just what the increase is from start to finish !! With that 3:42 gear, you better have the right tires !!!
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Old Jul 26, 2010 | 09:22 AM
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Originally Posted by 10mikeymike
My car is scheduled to go into Livernois Motorsports on Aug. 09 for heads, cam and an Edelbrock E-force blower. I don't think they will baseline the car before tearing the engine apart, but they told me that a stock A6 with an LS2 produced around 330 RWHP. Are the dyno numbers you posted from after the tune? Either way, I agree they're disappointing especially since you have long tubes. Did the tuner indicate if the low gear you're running affects the HP readings? What do you think of the 3:42 rear end?
Give us your end results----I'm thinking of buying their stage 2 heads to complete my --street package-!!! --THANKS !!
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Old Jul 26, 2010 | 09:32 AM
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What was the before results and most importantly, what type of dyno?
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Old Jul 26, 2010 | 09:51 AM
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Originally Posted by musicman2
Give us your end results----I'm thinking of buying their stage 2 heads to complete my --street package-!!! --THANKS !!
Before you buy their stage 2 Heads, you may want to consider Trick Flow 225's. There is nothing better. IMHO. Leon
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Old Jul 26, 2010 | 10:43 AM
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Originally Posted by LSCHLEM
Before you buy their stage 2 Heads, you may want to consider Trick Flow 225's. There is nothing better. IMHO. Leon
YOUR EXACTLY correct !!! two things to think about--- the Trick Flow's are at least double the $$ of the stage 2 from Livernois---your talking at least $1400 more----for my street car & cam, the trick flow are almost an over kill for me---when you start figuring $$$---& want the highest H.P.---there's only one way to go----BLOWER !! To make a car run like a blower car--it takes the best equipment & lots $$$$--to have a nice fast STREET car---you can do it for half the $$$ of a blower car. I never run at the drags---just try to be --FAST--on the road !!!!
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Old Jul 26, 2010 | 11:33 AM
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My 06 A6 dynoed 345 bone stock on a 90+ degree day and the same day with LG Pros and LPE intake/tune 362. Almost 40 ft tq increases in the middle of the powerband.
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Old Jul 26, 2010 | 11:41 AM
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I have airaid intake, 160 stat, bullet rear exhaust, LG pro catless headers, dynoed 322 stock, and 372 this weekend after the tune, exactly 50rwhp from the mods/tune. In 100 degree temps, dynojet as well, M6 in mine though. As said above only the before/after matter really. Im sure you can feel a pretty big diff after the header install? I sure did.
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Old Jul 26, 2010 | 12:17 PM
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Originally Posted by badass1g
I have airaid intake, 160 stat, bullet rear exhaust, LG pro catless headers, dynoed 322 stock, and 372 this weekend after the tune, exactly 50rwhp from the mods/tune. In 100 degree temps, dynojet as well, M6 in mine though. As said above only the before/after matter really. Im sure you can feel a pretty big diff after the header install? I sure did.
322 is quite low for a stock M6 car. Sounds like he lowballed the starting # to look like bigger after gains.
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Old Jul 26, 2010 | 12:27 PM
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Originally Posted by bunk22
What was the before results and most importantly, what type of dyno?

I never had a baseline done, so I dunno. It was a DynoJet Dyno. I also have NPP forgot to mention that...
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Old Jul 26, 2010 | 12:57 PM
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Originally Posted by takeman
I had my car tuned the other day and was kinda suprised at the numbers....not in a good way. I have an 06 LS2 with an A6. Mods are LG Longtube street pro's, 160 stat, Vararam and 3:42's. I ended up with 339RWHP and 342TQ. Temps were 93 degrees and 36% humidity. A/F was right at 13. Dyno run was on a Dynojet.

Does anybody have a similar set up? What are your numbers? Just curious if I'm in the ball park.
My set up is sort of similar as I also have a FAST 92mm intake manifold on my LS2 A6 and I made 393rwhp/380rwtq on a Dynojet.
Your 3.42s (I still have the stock 2.56s) will steal a little bit of rwhp as well but either way I feel that your numbers appear a little lower than they should be. And I say they "appear" lower because there are many factors that might be contributing to those readings and on another dyno your car might read much higher. It's probably best to use a dyno strictly for 'before and after' type comparisons only in order to determine what you've gained (or lost) from changes/modifications.





Originally Posted by takeman
How much HP loss on an A6 compared to an MN6?
It's a notable amount when talking about the 300-450rwhp ranges...upwards of a 15-20+rwhp loss in many cases.
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Old Jul 26, 2010 | 01:02 PM
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Originally Posted by musicman2
YOUR EXACTLY correct !!! two things to think about--- the Trick Flow's are at least double the $$ of the stage 2 from Livernois---your talking at least $1400 more----for my street car & cam, the trick flow are almost an over kill for me---when you start figuring $$$---& want the highest H.P.---there's only one way to go----BLOWER !! To make a car run like a blower car--it takes the best equipment & lots $$$$--to have a nice fast STREET car---you can do it for half the $$$ of a blower car. I never run at the drags---just try to be --FAST--on the road !!!!
They are going to take your Cores. I got $ 700 for my 243's- the 2500 for
the TF's. that lets me with $1,800 net into them. They also have RESEL
VALUE to the tune of $2,000. Hard to get a good buck for 243's no matter who worked on them. Another myth is L92's being so cheep. By the time you do all the work & additiona;l components like Spring set, Compression & fly cutting & much more. I also looked at fully prepared 243's and they get to $2,200 from some of the better shops.
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Old Jul 26, 2010 | 04:17 PM
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Originally Posted by LSCHLEM
They are going to take your Cores. I got $ 700 for my 243's- the 2500 for
the TF's. that lets me with $1,800 net into them. They also have RESEL
VALUE to the tune of $2,000. Hard to get a good buck for 243's no matter who worked on them. Another myth is L92's being so cheep. By the time you do all the work & additiona;l components like Spring set, Compression & fly cutting & much more. I also looked at fully prepared 243's and they get to $2,200 from some of the better shops.
Livernois----$1200 with cores 243's----Lingenfelter--$1100---243's--this should get you--25 RWHP------Trick Flows were quoted to me for $2400, nothing said @ cores---they'll probably get you close to 40 RWHP-----AGREED ???
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Old Jul 26, 2010 | 04:49 PM
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My '06 A6 based at 330/339 and with a tune and no mods was 348/353 on a DynoJet at 72 deg w/35% humidity. I would expect more from having headers, etc.
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Old Jul 26, 2010 | 05:29 PM
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Did the tune make a difference you could feel?
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Old Jul 26, 2010 | 05:55 PM
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Originally Posted by takeman
I had my car tuned the other day and was kinda suprised at the numbers....not in a good way. I have an 06 LS2 with an A6. Mods are LG Longtube street pro's, 160 stat, Vararam and 3:42's. I ended up with 339RWHP and 342TQ. Temps were 93 degrees and 36% humidity. A/F was right at 13. Dyno run was on a Dynojet.

Does anybody have a similar set up? What are your numbers? Just curious if I'm in the ball park.

How much HP loss on an A6 compared to an MN6?

Thanks!
Ls2 A6's generally dyno 335 rwhp and m6's 345. The LG streets should get you 15, the tune 5 or so, the stat zero, and the Vararam usually doesn't show on the dyno. The 342's will take away approx. 10. Your net gain should be about 10 rwhp, and although it doesn't seem like much number wise, the headers, intake and the 342's will make it act like 50 or more. Did you get a nice boost from your setup?
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Old Jul 28, 2010 | 01:50 AM
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Originally Posted by tomiboy
Did the tune make a difference you could feel?
I could not feel a diff on the *** dyno from the tune alone. Could feel a small increase with the intake, but the headers were a definate feel and hear the difference.
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